// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#import <Foundation/Foundation.h>

typedef void (^SuccessNetworkCallback)();
typedef void (^FailureNetworkCallback)(NSError *error);

/** A protocol for network connection tasks. */
@protocol NetworkConnection <NSObject>

/** Initializer with URL endpoint parameter used for network task. */
- (instancetype)initWithURLString:(NSString *)urlString;

/** Performs network task. */
- (void)makeNetworkRequestWithSuccessCallback:(SuccessNetworkCallback)success
                              failureCallback:(FailureNetworkCallback)fail;

@end
